Conduit connector for a patient breathing device

ABSTRACT

In an embodiment, a connector or connector assembly for attaching a nasal cannula with a gas delivery hose includes a sensor port for a sensor probe positioned near an end of a nasal cannula, which can allow the sensor probe to be placed closer to the patient&#39;s nostrils than previous connector parts allowed. The connector can be configured to advantageously allow the nasal cannula to rotate relative to the gas delivery hose, thereby allowing a patient or healthcare provider to untangle or otherwise straighten the hose or the cannula. The connector assembly can be configured to automatically align locking protrusions on a first component with locking recesses on a second component, where insertion of the second component within the first component causes the second component to rotate relative to the first component, thereby aligning the locking protrusions with associated locking recesses.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. application Ser. No.16/421,382, filed May 23, 2019, which is a continuation of U.S.application Ser. No. 15/730,553, filed Oct. 11, 2017, now U.S. Pat. No.10,335,583, which is a continuation of U.S. application Ser. No.14/237,859, filed Aug. 20, 2014, now U.S. Pat. No. 9,808,612, which is anational phase of International Application No. PCT/NZ2012/000142, filedAug. 10, 2012, which claims priority from U.S. Provisional App. No.61/521,972, filed Aug. 10, 2011. Each of the applications referenced inthis paragraph is incorporated by reference herein in its entirety.

FIELD OF THE DISCLOSURE

This disclosure relates to the field of connectors for gas deliveryhoses.

BACKGROUND OF THE DISCLOSURE

A nasal cannula is a device used to deliver supplemental oxygen, othergases, or airflow to a patient or person for treatment or for aidingrespiration. Typically, the cannula includes a plastic tube and a set oftwo prongs which are placed in the nostrils. Oxygen or other gases canflow from these prongs.

The nasal cannula can be connected to an oxygen tank, a portable oxygengenerator, a wall connection in a hospital via a flowmeter, or other gassource. Nasal cannulas can supply oxygen to a patient at rates thatdepend partly on size. For example, infant or neonatal nasal versionscan carry less oxygen and can have smaller prongs than adult versions.The cannula can be used to supply oxygenated air, humidified air orother gas mixtures.

SUMMARY OF THE DISCLOSURE

In some situations, a nasal cannula is used to provide humidifiedairflow or oxygen therapy. In order to monitor the airflow beingreceived by the patient, a sensor probe can be used. However, thefurther the distance of the probe from the prongs that provide air tothe nostrils, the greater the potential variance between the sampled airand the air inhaled by the patient. Thus, a conduit connector thatplaces the sensor probe in the airflow closer to the patient can enhancethe accuracy of the measurements taken.

As a nasal cannula or other breathing device can be connected to apatient for extended periods of time, the nasal cannula can generatediscomfort for the patient or otherwise begin to perform sub-optimally.For example, as the patient moves around in a hospital bed, the nasalcannula tubing can become tangled or twisted, thereby causing thepatient discomfort or limiting the airflow within the cannula. Thus, adesign that facilitates adjustments of the nasal cannula can providegreater comfort to the patient or improve performance.

At times, the nasal cannula or an airflow source may need to be removedor replaced. If detaching the nasal cannula from the airflow source isdifficult or time consuming, detaching the nasal cannula may causesignificant discomfort for the patient. Further, in emergencies, a slowor difficult connection mechanism can potentially place the patient'shealth in danger. Thus, a conduit connector that provides a“quick-connect” or “quick-release” feature that facilitates attachmentand detachment of the nasal cannula from an airflow source, as well asfacilitating interchangeability of components, can provide greatercomfort and/or safety.

In order to address the issues discussed above, aspects of the presentdisclosure include a connector or connector assembly for attaching anasal cannula with a gas delivery hose. In an embodiment, the connectorassembly includes a sensor port for a sensor probe. The sensor port ispositioned near an end of a nasal cannula, towards the patient. In anembodiment, the connector is configured to allow the sensor to be placedcloser to the patient's nostrils than previous connector parts allowed.

Aspects of the present disclosure also include a self-aligning connectorassembly configured to automatically align locking protrusions on afirst component with locking recesses on a second component, whereininsertion of the second component within the first component causes thesecond component to rotate relative to the first component, therebyaligning the locking protrusions with associated locking recesses. In anembodiment, the connector is configured to advantageously allow thenasal cannula to rotate relative to the gas delivery hose. By allowingrotation, the connector enables a patient or healthcare provider tountangle or otherwise straighten the hose or the cannula, therebyincreasing patient comfort.

BRIEF DESCRIPTION OF THE DRAWINGS

Throughout the drawings, reference numbers may be re-used to indicatecorrespondence between referenced elements. The drawings are provided toillustrate embodiments of the disclosure described herein and not tolimit the scope thereof.

FIG. 1A illustrates an exploded perspective view of a gas deliveryconduit having a connector embodiment for attaching a first tube with asecond tube, the connector having a source conduit connector, a terminalconduit connector and a connecting adapter;

FIG. 1B illustrates a side view of the connector embodiment of FIG. 1A;

FIG. 1C illustrates a perspective view of another connector embodimenthaving other embodiments of the source conduit connector, the terminalconduit connector and the connecting adapter;

FIG. 2A illustrates a perspective view of the terminal aperture side ofthe source conduit connector of FIG. 1A;

FIGS. 2B-2G illustrate various views of the source conduit connector ofFIG. 1C;

FIGS. 3A and 3B illustrate perspective views of the connecting adapterof FIG. 1A from a source aperture side and a terminal aperture side,respectively;

FIGS. 3C-3G illustrate various views of the connecting adapter of FIG.1C;

FIGS. 4A and 4B illustrate a perspective view of a source aperture sideof the terminal conduit connector and a top view of the terminal conduitconnector of FIG. 1A;

FIGS. 4C-4G illustrate various views of the terminal conduit connectorof FIG. 1C;

FIGS. 5A-C illustrate a longitudinal cross-sectional view of theconnector of FIG. 1A;

FIG. 6 illustrates a cross-section taken along across an axis of FIG. 1Band illustrates the engagement of the connecting adapter with the sourceconduit connector;

FIGS. 7-16 illustrate alternate connector embodiments;

FIG. 17 illustrates an alternate conduit connector embodiment; and

FIGS. 18A-18C illustrate different views of another alternate conduitconnector embodiment;

FIGS. 19A-19B illustrate an alternate connector adapter embodimentconfigured to connect with the source conduit connector embodiment ofFIGS. 20A-20B;

FIGS. 20A-20B illustrate an alternate source conduit connectorembodiment having an annular ring for attaching to the alternateconnector adapter embodiment of FIGS. 19A-19B;

FIGS. 21A-D illustrate different views of an embodiment of a nasalcannula that connects to an airflow source via the various connectorembodiments discussed in the disclosure.

DETAILED DESCRIPTION

FIGS. 1A and 1B illustrate a perspective view and side view,respectively, of a gas delivery conduit 100 comprising an embodiment ofa connector 105 for attaching a first tube 110 from a nasal cannula,face mask, intubation tube or other breathing device for a patient witha second tube 115 from a respirator, humidifier, breathing circuit, orother airflow device for providing gas to the patient. The connector canallow components of the gas delivery conduit 100 to be connected ordisconnected from each other, thus facilitating disconnection andreconnection of the breathing device and airflow device with potentiallyminimal disturbance to the patient or gas delivery system.

For example, a patient can receive humidified, oxygenated and/orpressurized gases through a nasal cannula 110 connected to the gasdelivery tube 115 that in turn is connected to a humidifier orrespirator. For ease of explanation, the following disclosure refers toembodiments of the connector for connecting a nasal cannula with a gasdelivery tube (e.g., for providing oxygen), but references to suchembodiments are not intended to limit the disclosure and otherembodiments are possible. For example, in other embodiments, gases aresupplied to the patient by alternative patient interfaces, such as anasal or full-face mask, or provided using alternative airflow sources.

In the illustrated embodiment, the connector 105 includes a terminalconduit connector 120 for receiving a nasal cannula 110, a sourceconduit connector 125 for receiving a gas delivery tube 115 and aconnecting adapter 140 for connecting the conduit connectors. The sourceconduit connector 125 includes an optional sensor port 130 for receivinga sensor probe 135. In the illustrated embodiment, the terminal conduitconnector 120 and source conduit connector 125 are releasably connectedby the connecting adapter 140. The gas delivery tube 115 is configuredto connect with the source conduit connector 125 and the nasal cannula110 is configured to connect with the terminal conduit connector 120,forming a gas conduit 100 for providing oxygen or other gases to apatient. Generally, the oxygen flows from the gas delivery tube 115 tothe nasal cannula 110. For ease of explanation, apertures of componentsof the gas conduit proximal to the gas delivery tube 115 are referred toas source apertures while apertures proximal to the nasal cannula 110are referred to as terminal apertures.

In the illustrated embodiment, a source aperture 145 of the sourceconduit connector 125 connects with the gas delivery tube 115, forexample, by fitting over and/or around the gas delivery tube 115 to forma seal. The source conduit connector 125 may be releasably attached tothe gas delivery tube 115 or permanently attached. In one embodiment,the terminal aperture 150 of the source conduit connector 125 includeslocking tabs 151 and/or alignment tabs 152 for receiving the connectingadapter 140. In one embodiment, the locking tabs are configured to lockwith locking recesses 154 formed on fingers 153 of the connectingadapter 140, thereby forming a releasable seal. In one embodiment, thealignment tabs 152 are configured to cause the connecting adapter 140 torotate within the terminal aperture 150 if the locking tabs aremisaligned with the locking recesses when inserted into the terminalaperture 150. The alignment tabs cause the connecting adapter 140 torotate until the locking tabs and locking recess are aligned. In anembodiment, the recesses 154 are holes extending through the fingers 153and configured to perform the same function as the recesses 154.

In one embodiment, the locking tabs are configured to engage with thelocking recesses 154 with an audible click in order to provide positivefeedback that a connection has been fully made. Such a click can begenerated, in one embodiment, when the fingers 153 are biased as theypass over the locking tabs and then generate a click when the lockingrecesses 154 snap-fit over the locking tabs. Audible clicks can also begenerated in other ways, such as when other components engage with eachother.

In the illustrated embodiment, a source aperture 155 of the terminalconduit connector is configured to receive the connecting adapter 140 toform a rotatable connection. In one embodiment, ridges formed within theterminal conduit connector are adapted to lock with a channel 160 formedon the circumference of the connecting adapter 140. The terminal conduitconnector 120 and connecting adapter 140 are able to rotate relative toeach other by allowing the ridges to rotate along the channel 160. Inone embodiment, raised edges or collars along a terminal and sourceapertures of connecting adapter 140 prevent or inhibit disconnection ofthe terminal conduit connector 120 from the connecting adapter 140.

The terminal conduit connector 120 can include a terminal apertureconfigured to receive a cannula tube of a nasal cannula 110. Theterminal aperture 165 can include two openings for receiving a doubleconduit cannula tube. Each conduit can connect to a prong for insertioninto a patient's nostril. The nasal cannula 110 can be releasablyattached to the terminal conduit connector 120 or permanently attached.

FIG. 1B illustrates a side view of the connector 105. The source conduitconnector 125 is connected to the terminal conduit connector 120. Thesensor probe 135 is connected to the connector 105 via the sensor port130. Axis 167 illustrates the cross-section along which FIG. 6 is taken.

FIG. 1C illustrates a perspective view of another connector embodimenthaving other embodiments of the source conduit connector 125, theterminal conduit connector 120 and the connecting adapter 140 (hidden inthis view). This embodiment shares many of the structures and featuresdiscussed above with respect to FIG. 1A, such as the sensor port 130.

FIG. 2A illustrates a perspective view of the terminal aperture 150 sideof the source conduit connector 125 of FIG. 1A. In the illustratedembodiment, the source conduit connector 125 includes a substantiallycylindrical tube having a terminal aperture 150 and a source aperture145 (FIG. 1A). The source conduit connector 125 can also include anoptional sensor port 130 for receiving a sensor probe 135. In FIG. 2A,the sensor port 130 includes a substantially cylindrical tube extendingperpendicularly from the source conduit connector 125. In someembodiments, the tube is perpendicular to the body of the conduitconnector 125. In some embodiments, the tube is substantiallyperpendicular but may be angled by a few degrees (e.g., less than 5, 10,or 15 degrees) from perpendicular. In some embodiments, the tube isangled by more than 15 degrees. One or more finger grooves 202 can beformed on the outside surface of the source conduit connector 125 inorder to provide additional purchase or friction to a user, for example,for connecting or disconnecting the connector 105 (FIG. 1A) components.For example, two finger grooves 202 can be placed on opposite sides ofthe source conduit connector 125.

In the illustrated embodiment, the source conduit connector 125 includeslocking tabs 151 and alignment tabs 152 for receiving the connectingadapter 140 (FIG. 1A). In FIG. 2A, two locking tabs 151 are formed onthe interior surface of the source conduit connector 125 and configuredto lock with locking recesses formed on the connecting adapter 140. Thelocking tabs 151 can be formed opposite each other.

In FIG. 2A, the alignment tab 152 is formed by a single, continuousprotrusion or ridge formed on the interior surface of the source conduitconnector 125. In one embodiment, the single continuous protrusion orridge alternates from a first distance toward the terminal aperture 150of the source conduit connector 125 to a second distance away from theterminal aperture 150. The continuous protrusion or ridge can form abowl or saddleback shape, with alternating valleys 215 and apexes 220.The apexes 220 are configured to direct fingers of the connectingadapter 140 into the valleys 215, wherein the locking tabs 151 can lockwith locking recesses on the fingers. For example, the apexes 220 can besloped towards the valleys 215, such that the fingers, when insertedinto the source conduit connector 125, are directed by the slope of theapexes 220 towards the valleys 215.

In FIG. 2A, the source conduit connector 125 includes an optional sensorport 130 for receiving a sensor probe 135. In the illustrated embodimentof FIG. 2A, the sensor port 130 is positioned near the terminal aperture150 or substantially adjacent to the aperture 150. By placing the sensorport 130 close to the aperture 150, the sensor probe 135 is able tosample gas flow closer to the patient. Such sampling can provide moreaccurate measurement of the condition of the gas flow that the patientreceives. For example, if the sensor probe 135 is positioned furtheraway from the patient, there may be a greater difference between thesampled gas flow and the gas flow inhaled by the patient. Thus, gas flowthat appears to be within the patient's comfort zone (e.g., based ontemperature or humidity) may cause discomfort to the patient as thecondition of the measured gas flow is different from the condition ofthe inhaled gas flow. In one example, the airflow source 115 can includea heating element that warms the air, but as the airflow leaves thesource 115, the temperature of the airflow can cool rapidly. As aresult, in one embodiment, the sensor should be placed as close to thepatient as possible to obtain more accurate results. Similarly, due tocondensation, humidity changes occur very rapidly. Again, the closer thesensor can be placed to the patient, the more accurate the sensormeasurements will be. As will be apparent, similar benefits can beobtained without the optional sensor port 130 by positioning the sensorprobe 135 close to the aperture 150 or towards the patient or nasalcannula 110. For example, this can be done by replacing the sensor portwith an integrated sensor as described below.

As illustrated in FIG. 2A, the sensor probe 135 is positioned into thegas flow within the gas delivery conduit 100 in order to sample, measureand/or analyze the gas flow. The sensor probe 135 can include any typeof sensor(s), such as, for example, a temperature sensor, thermistor,flow meter, oxygen (O₂), carbon dioxide (CO₂), nitric oxide and/orhumidity sensor. The sensor probe 135 can be reusable or disposable andcan be detachable or integrated with a conduit connector. The sensorprobe 135 can be connected to a monitoring system having one or moreprocessors for analyzing measurements and can communicate with themonitoring system via a cable or wirelessly. The monitoring system caninclude a display or other output device (e.g., speaker, alarm orwireless transmitter) for displaying measurements or generating analarm. The sensor probe 135 and/or monitoring system can include amemory device such as, for example, an electrically erasableprogrammable read only memory (EEPROM), erasable programmable read onlymemory (EPROM), flash memory, non-volatile memory or the like. Thesensor probe 135 can include a plurality of conductors for communicatingsignals to and from its components, including sensing componentconductors and memory device conductors.

In some embodiments, the sensor port 130 is configured to acceptdifferent types of sensor probes 135, allowing sensor probes 135 to bechanged based on the current use. For example, a humidity sensor can beused during humidity therapies while an oxygen sensor can be used duringoxygen therapies.

In some embodiments, there may be only a single locking tab 151 or threeor more locking tabs 151. In some embodiments, the alignment tabs 152can be formed by multiple protrusions or discontinuous ridges ratherthan a single continuous protrusion. For example, two disconnectedapexes 220 can be formed on opposite sides of the interior surface ofthe source conduit connector 125. In some embodiments, the sourceconduit connector 125 can include either alignment tabs 152 or lockingtabs 151.

FIGS. 2B-2G illustrate various views of the source conduit connector 125of FIG. 1C. This embodiment shares many of the structures and featuresdiscussed above with respect the source conduit connector 125 of FIG.1A.

FIG. 2B illustrates a perspective view of the source conduit connector125 facing the terminal aperture 150 and showing, formed on the interiorsurface, a locking tab 151 and the alignment tab 152.

FIG. 2C illustrates a side perspective view of the source conduitconnector 125 showing the source aperture 145.

FIG. 2D illustrates a side view of the source conduit connector 125showing the source aperture 145, the terminal aperture 150, a fingergroove 202, and the sensor port 130.

FIG. 2E illustrates a cross-sectional view of the source conduitconnector 125 taken along the indicated line in FIG. 2D. FIG. 2E showsthe source aperture 145, the terminal aperture 150 and, on the interiorsurface, the locking tabs 151 and the alignment tab 152.

FIG. 2F illustrates a terminal aperture 150 facing view of the sourceconduit connector 125 showing the sensor port 130 and, on the interiorsurface, the locking tabs 151 and the alignment tab 152.

FIG. 2G illustrates a sensor port aperture facing view of the sourceconduit connector 125 showing the aperture of the sensor port 130opening into the body of the source conduit connector 125. In FIG. 2G,the sensor port 130 is shown substantially adjacent and perpendicular tothe terminal aperture 150, away from the source aperture 145.

FIGS. 3A and 3B illustrate perspective views of the connecting adapter140 of FIG. 1A from a source aperture 305 side and a terminal aperture310 side, respectively. In the illustrated embodiment, the connectingadapter 140 includes a substantially cylindrical tube having two lockingfingers 153 extending from the source aperture 305. The locking fingers153 can be spaced apart to form an insertion aperture 312 for the sensorprobe 135 (FIG. 1A) to fit between the fingers 153. The insertionaperture 312 can provide an opening through which a portion of thesensor probe 135 extends into the gas delivery conduit 100, in order tosample airflow from within the gas delivery conduit 100 (FIG. 1A). Theinsertion aperture 312 can also allow the sensor probe 135 to bepositioned closer to the nasal cannula 110 (FIG. 1A), for example, byallowing the connecting adapter 140 to extend around or over the sensorprobe 135, towards the airflow source 115 (FIG. 1A). In one embodiment,the insertion aperture 312 allows the sensor probe 135 to be placedcloser to the patient while simultaneously allowing a portion of theconnecting adapter 140 to engage with the source conduit connector 125(FIG. 1A). For example, without the insertion aperture 312, the sensorprobe 135 may have to be placed past the ends 314 of the connectingadapter 140, further away from the nasal cannula 110, which caneliminate, inhibit or reduce some of the potential benefits discussedabove for placing the sensor probe 135 closer to the patient.

In some embodiments, each locking finger 153 includes a locking recess154 formed on the outer surface of the locking finger 153. In oneembodiment, the locking recesses 154 are configured to lock with thelocking tabs of the source conduit connector 125. In some embodiments,the locking fingers 153 include a flexible or semi-rigid material suchthat sufficient longitudinal force can cause the locking recesses 154 topass over locking tabs 151 of the source conduit connector 125, therebyreleasing the connecting adapter 140 from the source conduit connector125. For example, pushing the connecting adapter 140 into the sourceconduit connector 125 (on assembly or connection) or pulling out theadapter 140 (on disconnection) can cause the locking tabs of the sourceconduit connector 125 to engage or disengage with the locking recesses154 of the locking finger 153.

The connecting adapter 140 can include a locking channel 160 formedalong the circumference of its external surface. In FIG. 3A, the edgesof the channel are bounded by collars 320, 325 at the source andterminal apertures. Ridges, such as on the terminal conduit connector120 (FIG. 1A), can lock into the channel 160. For example, pushing theconnecting adapter 140 into the terminal conduit connector 120 (onassembly or connection) or pulling out the adapter 140 (ondisconnection) can cause the ridges of the terminal conduit connector120 to engage or disengage with the locking channel 160. The collars canprevent or inhibit disconnection of the ridges due to longitudinal force(e.g., force along the conduit 100 axis), while allowing the ridges torotate along the locking channel 160. In some embodiments, the terminalcollar 320 includes a flexible or semi-rigid material such thatsufficient longitudinal force can cause the ridges to pass over thecollar 320 and cause the connecting adapter 140 to release from theterminal conduit connector 120.

The connecting adapter 140 can have one or more optional spines 330formed longitudinally on its interior surface. The spines 330 canprovide rigidity to the connecting adapter and, in one embodiment, arespaced evenly along the interior circumference of the connecting adapter140. In one embodiment, the spines 330 are tapered and can providegreater rigidity on one end compared to the other. For example, thesource aperture 305 side of the connecting adapter 140 may need greaterflexibility in order to attach and/or detach with the source conduitconnector 125 and the spines 330 can taper (in height or width) towardsthe source aperture 305.

In some embodiments, the connecting adapter 140 can have one, two,three, four or more locking fingers 153 or spines 330. In someembodiments, other types of connection mechanisms can be used, such as,for example, a threaded mechanism, pinion mechanism, friction fit,circlip and/or adhesive or other chemical connector.

In some embodiments, different types of connecting adapters can beprovided for connecting different types of conduit connectors. Forexample, a respirator conduit can have a different type of sourceconduit connector than a humidifier conduit. By changing the connectingadapter, the same nasal cannula can be connected to either therespirator conduit or the humidifier conduit. By providinginterchangeable connecting adapters, the nasal cannula does not have tobe changed, thereby minimizing patient discomfort by eliminating orreducing the need to replace the nasal cannula attached to the patient.Likewise, different types of terminal conduit connectors can beconnected to the same type of source conduit connector by changingadapters. For example, the nasal cannula can be replaced with a facemask having a different terminal conduit connector type by attaching itto the same humidifier by using a different connecting adapter. Theinterchangeability of the connectors can potentially speed up the setupof gas delivery conduits, which can be particularly beneficial inemergency situations.

FIGS. 3C-3G illustrate various views of the connecting adapter 140 ofFIG. 1C. This embodiment shares many of the structures and featuresdiscussed above with respect the connecting adapter 125 of FIG. 1A.

FIG. 3C illustrates a top view of the connecting adapter 140 showing twolocking fingers 153 extending from the body of the connecting adapter140 and two locking recesses 154 formed on the exterior surface of thelocking fingers 154. In some embodiments, raised strips 350 form thebottom boundary of the recesses 154 on the respective locking fingers153. Each raised strip 350 can provide additional support and/orrigidity to each locking recess 350, allowing a more secure connectionof the locking recesses with the corresponding locking tabs.

FIG. 3D illustrates a side view of the connecting adapter 140 showing alocking finger 153 extending from the body of the connecting adapter140, a locking recess 154 formed on the exterior surface of the lockingfingers, and the locking channel 160 formed along the circumference ofthe adapter's external surface. In the embodiment of FIG. 3D, thelocking finger 153 widens from its end 314 to its base 340. By wideningat its base, where the finger 153 connects with the body of theconnecting adapter 140, the strength of the locking finger 153 isenhanced, making it more difficult to deform the locking finger 153 anddisconnect it when it is engaged with the locking tab 151 of the sourceconduit connector 125. Additionally, the raised strip 350 can alsoenhance the strength of the locking finger 153.

FIG. 3E illustrates a perspective view of the terminal conduit connector120 facing aperture of the connecting adapter 140. FIG. 3E shows thelocking finger 153, the locking recess 154, the locking channel 160 andthe spines 330 formed longitudinally on the interior surface of theconnecting adapter.

FIG. 3F illustrates a front facing view of an aperture of the connectingadapter 140 facing the terminal conduit connector 120. FIG. 3Gillustrates a front facing view of an aperture of the connecting adapter140 facing the source conduit connector 125. The spines 330 are shownformed on the interior surface of the adapter 130.

FIGS. 4A and 4B illustrate a perspective view of the source aperture 155side of the terminal conduit connector 120 and a top view of theterminal conduit connector 120 of FIG. 1A. FIG. 4A illustrates theterminal conduit connector 120 without the connecting adapter 140inserted, while FIG. 4B illustrates the terminal conduit connector 120with the connecting adapter 140. In the illustrated embodiment, theterminal conduit connector 120 includes ridges 405 spaced along thecircumference of the interior surface of the terminal conduit connector120. In one embodiment, the ridges 405 are protrusions or tabs formedlongitudinally by surrounding cutouts, or axially, along the terminalconduit connector 120. The ridges 405 and surrounding cutouts candecrease frictional engagement with the connecting adapter 140, therebyimproving rotatability. The ridges 405 can be tapered, in width or inheight. The tapering can allow insertion of the connecting adapter 140to be accomplished with less force while requiring more force forremoving the connecting adapter 140 as a larger surface area of eachlocking tab engages with the terminal collar 320 (FIG. 3A) of theconnecting adapter 140. In one embodiment, a locking groove 410 isformed along the circumference of the terminal conduit connector 120 andis configured to engage with the terminal collar 320 of the connectingadapter 140, thereby increasing the longitudinal force needed todisengage the terminal conduit connector 120 from the connecting adapter140.

In one embodiment, the terminal conduit connector 120 includes aterminal aperture 165 on the terminal conduit connector 120 configuredto receive a cannula tube of a nasal cannula 110 (FIG. 1A). The terminalaperture 165 can include two openings for receiving a double conduitcannula tube, wherein each conduit connects, on the opposite end of thetube, to a prong for insertion into a patient's nostril. In theillustrated embodiment, the openings are optionally surrounded by anangled surface configured to funnel airflow into the double conduitcannula tube, which can improve airflow. The terminal conduit connector120 can also include one or more finger grooves 415 formed on theoutside surface of the terminal conduit connector 120 in order toprovide additional purchase or friction to a user, for example, forconnecting or disconnecting the connector 105 (FIG. 1A) components. InFIG. 4A, multiple finger grooves 415 are spaced along the outsidecircumference of the terminal conduit connector 120.

Other configurations of the terminal conduit connector 120 are possible.For example, in some embodiments, the locking tab 405 is a single,continuous ridge. In other embodiments, the ridges 405 are formedperpendicular or angled relative to the axis of the terminal conduitconnector 120. In some embodiments, the locking groove 410 is notincluded. The aperture 165 can be a single opening. For example, theaperture 165 can be configured to receive a single conduit to a facemask.

FIGS. 4C-4G illustrate various views of the terminal conduit connector120 of FIG. 1C. This embodiment shares many of the structures andfeatures discussed above with respect the terminal conduit connector 120of FIG. 1A.

FIG. 4C illustrates a side view of the terminal conduit connector 120showing the terminal apertures 165 for receiving nasal cannula and thesource aperture 155. A first portion of the body of the terminal conduitconnector 120 that receives the connecting adapter 140 is a firstheight. A second portion of the body of the terminal conduit connecter120 that receives the nasal cannula is a second, lower height.

FIG. 4D illustrates a top down view of the terminal conduit connector120 showing the terminal apertures 165 and the source aperture 155. Thefirst portion of the body of the terminal conduit connector 120 has afirst width while the second portion of the body has a second, narrowerwidth.

FIG. 4E illustrates a facing view of the terminal apertures 165. FIG. 4Fillustrates a facing view of the source aperture 155 that shows theridges 405 spaced along the circumference of the interior surface of theterminal conduit connector 120.

FIGS. 5A-C illustrate a longitudinal cross-sectional view of theconnector 105 embodiment of FIG. 1A. FIGS. 5A-C illustrate the terminalcollar 320 of the connecting adapter 140 engaged with the locking groove410 of the terminal conduit connector 120. A portion of the sensor probe135 fits between the fingers 153 of the connecting adapter. FIGS. 5A-Cillustrate the fingers 153 fitting against the alignment tabs 152. Inone embodiment, the source conduit connector 125 includes an innercylinder 505 within an outer cylinder 510, forming an insertion groove515 for receiving the delivery tube 115 (FIG. 1A). In one embodiment,pressure from the inner and outer cylinders maintains a pressure fitwith the delivery tube 115, keeping the delivery tube 115 connected tothe source conduit connector 125.

FIG. 6 illustrates a cross-section taken along an axis 167 of FIG. 1Bfacing towards the nasal cannula 110 (FIG. 1A) and illustrates theengagement of the connecting adapter 140 with the source conduitconnector 125. In the illustrated embodiment, the source conduitconnector 125 and terminal conduit connector 120 are attached via theconnecting adapter 140. The locking tabs 151 formed on the interiorsurface of the source conduit connector 125 engage with the recesses 154on the fingers 153 of the connecting adapter 140. The engagementinhibits longitudinal movement of the adapter and limits accidentaldisengagement of the connector 105 (FIG. 1A). The alignment tabs 152 canguide the fingers 153 into position for engagement.

As illustrated in FIG. 6, the sensor port 130 provides the sensor probe135 with access to the airflow within the gas delivery conduit 100 (FIG.1A). Airflow from the airflow source passes by the sensor probe 135before exiting through the terminal aperture 165 of the terminal conduitconnector 120.

As will be apparent, there are many possible embodiments for theconnector 105. For example, in some embodiments, the connector 105 doesnot include a connecting adapter 140 or another component. In someembodiments, elements, such as tabs, protrusions, recesses, channels orgrooves, are located on different components. For example, while theabove disclosure describes a first element of a connecting mechanism(e.g., protrusion or tab) to be located on a first component while asecond element of the connecting mechanism (e.g., recess, channel orgroove) is located on a second component, in some embodiments, thelocations of the elements can be switched, with the first element on thesecond component and the second element on the first component. In someembodiments, certain elements may not be included. In one embodiment, afirst connector component can be configured to attach over a secondconnector component while in another embodiment, the second connectorcomponent can be configured to attach over the first connectorcomponent.

In some embodiments, different types of connections can be used toattach the components of the connector 105. For example, adhesives orother chemical agents may be used to permanently affix some componentstogether. In other examples, different mechanical connection mechanismscan be used, such as a snap fit, thread, friction fit or circlip. Thecomponents of the connector 105 can be composed of various types offlexible, semi-rigid, or rigid materials. For example, the connectingadapter 140 and source conduit connector 125 can include polypropylenematerials and the terminal conduit connector 120 can include ofTHERMOLAST materials. Other materials such as plastics, thermoplastics,silicone, glass-filled nylon, metal, spring steel, polycarbonate, PVC,polyethylene, rubber (e.g., natural or vulcanized), polyurethane, or thelike can be used. For example, in one embodiment, the connecting adapter140 includes ABS plastic, the source conduit connecter 125 includespolypropylene, and/or the terminal conduit connector 120 includesthermoplastic elastomer.

In some embodiments, some of the releasable connection mechanisms can bestronger than others. In one embodiment, the connection formed by theconnecting adapter 140 with the source conduit connector 125 is weakerthan the connection formed by the connecting adapter 140 with theterminal conduit connector 120. Thus, pulling apart the conduitconnectors 120, 125 can cause the connecting adapter 140 to separatefrom the source conduit connector 125 while remaining connected to theterminal conduit connector 120. This configuration can facilitatechanging patient interfaces by allowing another patient interface to beeasily or quickly attached to the source conduit connector 125. Otherconfigurations are possible, for example, the connecting adapter 140 canbe configured to remain connected with the source connecting conduit125.

In some embodiments, the connections of the connector 105 are configuredto allow a quick connect or quick release of the connector 105components. For example, the components can be configured to connect orrelease with a single motion (e.g., when pushed together or pulledapart). The components can be configured to self-align duringengagement, such that the connecting mechanisms of the components alignautomatically. In another example, the connections of the connector 105with the gas delivery tube 115 (FIG. 1A) and/or the nasal cannula 110can be stronger relative to other connections (e.g., the connectionswith the connecting adapter 140), such that longitudinal force appliedto the gas delivery conduit 100 causes those other, weaker connectionsto disconnect first. In some embodiments, the connections with the gasdelivery tube 115 and/or the nasal cannula 110 are permanent orsemi-permanent, in order to eliminate or reduce accidentaldisconnections.

Other embodiments of the connector 105 are possible. In someembodiments, the terminal aperture 165 includes a single opening, twoopenings, or three or more openings. There can be one, two, or more thantwo finger grooves 415 (FIG. 4A) on the outside. In some embodiments,the gas delivery conduit 100 or portions of the conduit can be attachedto the patient via a lanyard (e.g., around the patient's neck), clip, orother fastening mechanism. The seals formed by the components can beair-tight or can allow some air to leak. In some embodiments, componentsof the connector 105 can be colored differently to indicate a size ofthe connector. For example, red can indicate adult sized connectorswhile blue can indicate infant connectors. In some embodiments, the gasdeliver conduit 100 can include one or more spring tube sections, whichcan increase flexibility.

The components of the connector 105 can be formed in various sizes,depending on its intended use. For example, connectors for gas deliveryconduits 100 for children or infants can be smaller than connectors forgas delivery conduits 100 for adults. In some embodiments, the sourceconduit connector 125 has an outer diameter in the range of 5-30 mm,though this diameter may be larger or smaller in other embodiments. Inone embodiment, the outer diameter is about 15 mm. The other connectorcomponents 105 can be sized correspondingly to the source conduitconnector 125. For example, the other components may be sizedapproximately the same as the source conduit connector 125 in order toengage with it.

FIG. 7 illustrates an alternate connector embodiment 700 of theconnector of FIG. 1A. In FIG. 7, the terminal conduit connector 705includes dual ball and socket connections 710 for individuallyconnecting cannula tubes to the terminal conduit connector. The ball andsocket connections 710 can be moved independently of each other. Thiscan allow the cannula tubes to be untwisted or untangled separately,thereby facilitating adjustment of the nasal cannula. In addition, whilelonger cannula tubes generally allow a greater degree of adjustments ofthe nasal cannula, the greater freedom of movement provided by the balland socket connections 710 can potentially provide similar degrees ofadjustments while allowing cannula tubes of shorter length to be used.

FIG. 8 illustrates another alternate connector embodiment 800 of theconnector of FIG. 1A. In FIG. 8, the terminal conduit connector 805 andsensor probe 810 connects substantially perpendicularly to the sourceconduit connector 815. The source conduit connector 815 connects to aswivel tube 820 that in turn connects to a gas delivery tube 825. As thesensor probe, terminal conduit connector and source conduit connectorare rotatably attached to the gas delivery tube via the swivel tube 820,the connector can be laid flat on a patient's bed, potentiallyincreasing patient comfort or keeping the connector out of the way. Inthe illustrated embodiment, the connector 800 is shaped to form asubstantially 90 degree angle, thereby redirecting airflow over thesensor probe 810 and into the nasal cannula 830. This redirection of theairflow can advantageously allow the sensor probe 810 to detectdisconnection of the terminal conduit connector 805 by detecting achange in the airflow. For example, the sensor probe 810 can detect achange in the direction, speed or compositions (e.g., humidity ortemperature) of the airflow and determine that the terminal conduitconnector 805 is no longer attached to redirect the airflow.

FIG. 9 illustrates another alternate connector embodiment 900 of theconnector of FIG. 1A. In FIG. 9, the terminal conduit connector 905 canconnect either substantially perpendicularly or substantially straightwith the source conduit connector 910. The dual orientation of theterminal conduit connector 905 can provide greater flexibility inadjusting the nasal cannula 920.

The source conduit connector 910 can include an aperture 930 throughwhich the sensor probe 925 can partially extend into the terminalconduit connector 910, thus placing the sensor probe 925 closer to theentry point of the airflow into the cannula. In the illustratedembodiment, the aperture 930 is notched to allow the sensor probe 925 toextend past the aperture 930. This can allow the sensor probe 925 togather more accurate measurements of the temperature, humidity or otherparameter of the gases inhaled by the patient.

FIG. 10 illustrates another alternate connector embodiment 1000 of theconnector of FIG. 1A. In FIG. 10, a terminal conduit connector 1005connects to a connecting adapter 1010, which connects to a sourceconduit connector 1015. The connecting adapter 1010 includes a collar1020 having a greater diameter than the adjacent terminal conduitconnector and source conduit connector. Thus, when the connector isassembled, a portion of the collar 1020 extends past the outer housingof the connected terminal conduit connector and source conduit connectorand remains visible as a ring. The collar 1020 can be colored toindicate sizing information for the connector 1000. The collar 1020 canalso provide a better friction hold to a user, thereby allowing ashorter connector to provide similar amount of frictional grip, whichcan facilitate the attachment and/or detachment of the connectorcomponents.

FIG. 11A and FIG. 11B illustrate another alternate connector embodiment1100 of the connector of FIG. 1A. In FIG. 11, a terminal conduitconnector 1105 fits within a source conduit connector 1110, while athreaded cap 1115 fits over the terminal conduit connector 1105 andengages with a threaded end 1120 of the source conduit connector. Thethreaded cap 1115 engages with a collar of the terminal conduitconnector 1125 and keeps the terminal conduit connector pressed againstthe source conduit connector. Fins 1126 formed on the body of theterminal conduit connector 1105 can provide a space between the exteriorof the terminal conduit connector 1105 and the interior of the sourceconduit connector 1110.

In one embodiment, the threaded cap 1115 only engages with some of thethread flutes on the threaded end 1120 of the source conduit connector.For example, if the threaded end 1120 has six thread flutes, the threadcap 1115 is configured to engage with only three of the flutes, leavingthe other three thread flutes vacant. The partial engagement of thethreads can allow condensate collecting in the connector to escape outalong the vacant threads, along an outflow path 1135, thereby preventingor inhibiting condensate from entering the cannula 1130. The outflowpath 1135 or venting channel can be partly formed by the space 1137between the exterior of the terminal conduit connector 1105 and theinterior of the source conduit connector 1110.

FIG. 12 illustrates another alternate connector embodiment 1200 of theconnector of FIG. 1A. In FIG. 12, a terminal conduit connector 1205connects to a connecting adapter 1210, which connects to a sourceconduit connector 1215. The connecting adapter includes an end 1220 forconnecting with the terminal conduit connector 1205, for example, viathreads or friction fit. The source aperture 1225 of the connectingadapter 1210 fits over the source conduit connector 1215.

FIG. 13 illustrates another alternate connector embodiment 1300 of theconnector of FIG. 1A. In FIG. 13, a terminal conduit connector 1305connects to a source conduit connector 1310. Locking tabs 1315 formed ona connecting end of the terminal conduit connector engage with otherlocking tabs within the source conduit connector 1310. Twisting theterminal conduit connector 1305 relative to the source conduit connector1310 can cause the locking tabs 1315 to disengage, allowing theconnector 1300 to be separated.

FIG. 14 illustrates another alternate connector embodiment 1400 of theconnector of FIG. 1A. In FIG. 14, a terminal conduit connector 1405connects to a source conduit connector 1410. A locking thread 1415formed on a connecting end of the terminal conduit connector engageswith the source conduit connector. Twisting the terminal conduitconnector 1405 relative to the source conduit connector 1410 can causethe locking thread 1415 to disengage, allowing the connector 1400 to beseparated.

In one embodiment, one side of the conduit connector 1410 can beconfigured to engage with another component using a unique orproprietary connection mechanism while the other side of the conduitconnector 1410 uses a generic or standard connection mechanism. Thegeneric connection can allow connection to a variety of components, madeby different manufacturers. Meanwhile, the proprietary connection onlyallows connection to components of a single or a select set ofmanufacturers. Providing two different types of connectors can bebeneficial in situations when one component requires greater accuracythan another and requiring use of a particular component allowscomponents with known or predetermined characteristics to be used.Meanwhile, the generic connection can provide greater interoperability.In one example embodiment, the generic connection 1420 attaches using afriction fit while the proprietary connection 1425 connects with thelocking thread 1415.

FIG. 15 illustrates another alternate connector embodiment 1500 of theconnector of FIG. 1A. In FIG. 15, a terminal conduit connector 1505connects a source conduit connector 1510. The edge of the source conduitconnector 1510 can engage with a locking groove 1512 on the terminalconduit connecter 1505. An O-ring seal 1515 creates a seal between theterminal conduit connector and source conduit connector. In theillustrated embodiment, a sensor port 1520 is formed on the sourceconduit connector away from the source conduit connector's connectionwith the terminal conduit connector.

FIG. 16 illustrates another alternate connector embodiment 1600 of theconnector of FIG. 1A. In FIG. 16, a terminal conduit connector 1605connects with a connecting adapter 1610, which connects with a sourceconduit connector 1615. In the illustrated embodiment, the connectingadapter 1610 includes three fingers 1620 for engaging with the sourceconduit connector 1615. The fingers 1620 can be spaced apart to createan insertion aperture 1630 for a sensor probe 1605 to fit between two ofthe fingers 1620. The insertion aperture 1630 allows the sensor probe1605 to be positioned closer to the nasal cannula 1635. For example,without the insertion aperture 1630, the sensor probe 1605 may have tobe placed past the ends of the connecting adapter 1610, further awayfrom the nasal cannula 1635.

FIG. 17 illustrates an embodiment of a conduit connector 1700 having anintegrated sensor probe 1705. The sensor probe 1705 is positioned to fitinto an insertion aperture formed by two fingers of a connecting adapter(e.g., connecting adapter 140 of FIG. 1). By fitting into an insertionaperture, the sensor probe 1705 can be positioned closer to a nasalcannula. In the illustrated embodiment, the sensor probe 1705 ispositioned at approximately the same distance from an aperture 1707 ofthe conduit connector 1700 as locking tabs 1720. The sensor probe 1705fits between the fingers of the connecting adapter when the fingersengage with the locking tabs 1720. In one embodiment, the conduitconnector 1700 does not have a sensor port.

FIGS. 18A-18C illustrate different views of an embodiment of a conduitconnector 1800 having a receptacle for a detachable sensor probe. In theillustrated embodiment of FIG. 18A, the receptacle includes channels1805, 1810 for receiving the sensor probe. The channels 1805, 1810 canextend partially or wholly within an interior surface of the conduitconnector 1800. The sensor probe can be plate-shaped, rectangularshaped, oval shaped, diamond shaped or any other shape configured to bereceived by the receptacle. In one embodiment, the sensor probecomprises alignment tabs configured to engage with the channels 1805,1810. The alignment tabs can be configured to position the sensor probeinto a predetermined position within the conduit connector 1800, such asa position where sensor measurements can be more effectively taken or aposition between an insertion aperture formed by one or more lockingfingers of a connecting adapter.

In one embodiment, the receptacle can include a catch, notch, tab, wallor other structure for locking or securing the sensor probe in placeonce the predetermined position is reached. In some embodiments, thereceptacle can include other structures for receiving and/or securingthe sensor probe in addition or alternatively to the channels 1805,1810. For example, the receptacle can comprise ridges configured toengage with channels on the sensor probe. The conduit connector 1800 canalso include one or more locking tabs 1820.

FIG. 18B illustrates a back perspective view and FIG. 18C illustrates across-sectional view of the embodiment of FIG. 18A. In the illustratedembodiment, an insertion groove for a second conduit, such as a hose ordeliver tube, is formed by a space between the outer wall 1825, 1830 andan inner wall 1827, 1832 of the conduit connector 1800. In theillustrated embodiment, and end of the outer wall extends past an end1822 of the inner wall. However, in other embodiments, the inner andouter wall may be the same length or the inner wall may extend past theouter wall.

FIGS. 19A-19B illustrate an alternate connector adapter embodimentconfigured to connect with the source conduit connector embodiment ofFIGS. 20A-20B.

FIG. 19A illustrates a side view of the connecting adapter facing one oftwo locking fingers 153 and its locking recess 154. A channel 160 formedon the body of the connecting adapter provides an engagement surface fora corresponding terminal conduit connector, as shown in variousembodiments of the disclosure. In FIG. 19A, the locking recess 154extends across the locking finger 153 to provide engagement with anannular locking ring on the source conduit connector embodiment of FIGS.20A-20B.

FIG. 19B illustrates a perspective view of the connecting adapter ofFIG. 19A showing the locking fingers 153 and its locking recess 154.

FIGS. 20A-20B illustrate an alternate source conduit connector 125embodiment having an annular ring for attaching to the alternateconnector adapter embodiment of FIGS. 19A-19B.

FIG. 20A illustrates a perspective view of the source conduit connectorfacing the terminal aperture 150 side. Formed within the interiorsurface of the source conduit connecter is an annular locking ring 2005formed by a raised strip running circumferentially within the body ofthe source conduit connector. The locking recesses 154 of the connectingadapter of FIGS. 19A and 19B are configured to engage with the annularlocking ring 2005 when the connecting adapter is inserted into thesource conduit connector.

FIG. 20B illustrates a cross sectional view taken along the indicatedcross section line in FIG. 20A. The cross-sectional view shows theannular locking ring 2005 formed on the interior surface of the sourceconduit connecter.

FIGS. 21A-D illustrate different views of an embodiment of a nasalcannula 2100 that connects to an airflow source via the variousconnector embodiments discussed in the disclosure. In some embodiments,the nasal cannula is for infants.

FIG. 21A illustrates a top perspective view of the patient facing sideof the nasal cannula 2100. The nasal cannula 2100 includes two prongs2105 a, 2105 b that fit into the patient's nostrils. Airway tubes 2110extend from the prongs and connect to an air source (e.g., via theconnector 105 of FIG. 1A).

FIG. 21B illustrates a top perspective view of the external side of thenasal cannula 2100 facing away from the patient. FIG. 21B shows the twoprongs 2105 a, 2105 b and two airway tubes 2110 a, 2110 b connected tothe two prongs.

FIG. 21C illustrates a side view of the nasal cannula 2100 showing oneof the prongs 2105 and one of the airway tubes 2110.

FIG. 21D illustrates a bottom view of the nasal cannula 2100 showing thetwo prongs 2105 a, 2105 b and the two airway tubes 2110 a, 2110 bconnected to the two prongs.

In some embodiments, certain features can be associated with differentcomponents or left out. For example, the connection mechanism in theterminal conduit connector 120 can be implemented by the source conduitconnector 125 and/or the connection mechanism of the source conduitconnector 125 can be implemented by the terminal conduit connector 120.In another example, the sensor port 130 can be located on the terminalconduit connector 120 rather than the source conduit connector 125. Somefeatures can be implemented by a different component (e.g., the terminalconduit connector 120, source conduit connector 125 or connectingadapter 140) rather than in the component described as implementing thefeature in the above disclosure.

Conditional language used herein, such as, among others, “can,” “could,”“might,” “may,” “e.g.,” and the like, unless specifically statedotherwise, or otherwise understood within the context as used, isgenerally intended to convey that certain embodiments include, whileother embodiments do not include, certain features, elements and/orstates. Thus, such conditional language is not generally intended toimply that features and/or elements are in any way required for one ormore embodiments.

Although the foregoing disclosure has been described in terms of certainpreferred embodiments, other embodiments will be apparent to those ofordinary skill in the art from the disclosure herein. It is contemplatedthat various aspects and features of the disclosure described can bepracticed separately, combined together, or substituted for one another,and that a variety of combination and subcombinations of the featuresand aspects can be made and still fall within the scope of thedisclosure. Accordingly, the present disclosure is not intended to belimited by the recitation of the preferred embodiments, but is to bedefined by reference to the appended claims.

1. (canceled)
 2. A connector assembly, the connector assembly comprising: a connecting adapter; and a first connector for receiving the connecting adapter, wherein the first connector comprises: at least one ridge formed longitudinally on an inside surface of the connector, the at least one ridge configured to engage and lock with a locking channel formed on an outside surface of a connecting adapter body of the connecting adapter, a first aperture configured to receive said connecting adapter, and at least one second aperture, the second aperture configured to receive a conduit.
 3. The connector of claim 2, wherein the first connector further comprises a locking groove formed around a circumference of the inside surface of the first connector, the locking groove configured to engage with a collar of the connecting adapter.
 4. The connector of claim 2, wherein a collar of the connecting adapter is configured to prevent or inhibit disconnection of the at least one ridge due to longitudinal force, while allowing the at least one ridge to rotate along the locking channel.
 5. The connector of claim 2, wherein the locking channel is configured to rotatably engage with said at least one ridge.
 6. The connector of claim 2, wherein the connecting adapter provides for connection with a second connector.
 7. The connector of claim 2, wherein the second aperture of the first connector is a terminal aperture configured to receive a conduit of a patient interface, or the first aperture of the first connector is a source aperture configured to receive a flow of gases.
 8. The connector assembly of claim 2, wherein the connecting adapter comprises a connecting adapter body with one or more locking fingers configured to releasably attach to a second connector, the one or more locking fingers protruding longitudinally from the connecting adapter body.
 9. The connector assembly of claim 2, wherein the connecting adapter further comprises one or more locking recesses formed on respective locking fingers, the one more locking recesses configured to engage with locking tabs formed on a second connector.
 10. The connector assembly of claim 9, wherein the respective locking fingers are configured to interact with one or more alignment tabs on the second connector such that the one or more locking recesses are aligned with one or more locking tabs on the second connector when the connecting adapter is connected to the second connector.
 11. The connector assembly of claim 2, wherein the connecting adapter is rotatable relative to the first connector when the first connector is engaged with the connecting adapter.
 12. A connector assembly, the connector assembly comprising: a first connector configured to provide gases to a patient interface, the first connector comprising: at least one ridge formed longitudinally on an inside surface of the first connector, a first aperture configured to receive a connecting adapter, and at least one second aperture configured to receive a conduit; a connecting adapter, the connecting adapter comprising: a connecting adapter body, and one or more locking fingers, the one or more locking fingers configured to releasably attach to a second connector, the one or more locking fingers protruding longitudinally from the connecting adapter body, one or more locking recesses formed on the respective locking fingers, the one or more locking recesses configured to engage with one or more locking tabs formed on the second connector, and a locking channel formed on an outside surface of the connecting adapter body, said locking channel configured to rotatably engage and lock with the at least one ridge of the first connector; and the second connector, the second connector comprising a first aperture configured to connect with an airflow source, and a second aperture configured to receive the connecting adapter, the second connector further comprising the one or more locking tabs configured to releasably attach with the one or more locking fingers of the connecting adapter.
 13. The connector assembly of claim 12, wherein the first connector comprises a locking groove formed around a circumference of the inside surface of the first connector, the locking groove configured to engage with a collar of the connecting adapter.
 14. The connector assembly of claim 12, wherein a collar of the connecting adapter is configured to prevent or inhibit disconnection of the at least one ridge due to longitudinal force, while allowing the at least one ridge to rotate along the locking channel.
 15. The connector assembly of claim 12, wherein the second connector further comprises an alignment tab formed on an interior surface of the second connector, the alignment tab configured to automatically align the one or more locking fingers of the connecting adapter with the one or more locking tabs of the second connector upon insertion of the connecting adapter within the second connector.
 16. The connector assembly of claim 15, wherein the alignment tab is configured to automatically align the one or more locking fingers of the connecting adapter with the one or more locking tabs of the second connector by causing the connecting adapter to rotate relative to the second connector upon insertion of the connecting adapter within the second connector.
 17. The connector assembly of claim 12, wherein the connector assembly creates a seal between the first connector and the second connector.
 18. The connector assembly of claim 12, wherein the second aperture of the first connector is a terminal aperture configured to receive a conduit of the patient interface, or wherein the first aperture of the first connector is a source aperture configured to receive a flow of gases.
 19. The connector assembly of claim 12, wherein the connecting adapter is rotatable relative to the first connector when the first connector is engaged with the connecting adapter.
 20. The connector assembly of claim 12, wherein the connector assembly is configured to connect the patient interface to a gases source.
 21. The connector assembly of claim 20, wherein the patient interface is a nasal cannula. 